1. Build composition table for a dihedral group D4 (Hint: You might need read additional materials to solve this.)

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Caylcy table / Composition table
1. Build composition table for a group (< i > = {i,–1, -i, 1}, ×). i - is
imaginary unit.
%3D
2. Build composition table for a symmetric group S3.
3. Build composition table for a group (Z*15, x mod 15) (Hint: Z° 15 - is
the set of elements with multiplicative inverses mod 15 (set of
units in Z15))
4. Build composition table for a dihedral group D4 (Hint: You might need
read additional materials to solve this.)
Transcribed Image Text:Caylcy table / Composition table 1. Build composition table for a group (< i > = {i,–1, -i, 1}, ×). i - is imaginary unit. %3D 2. Build composition table for a symmetric group S3. 3. Build composition table for a group (Z*15, x mod 15) (Hint: Z° 15 - is the set of elements with multiplicative inverses mod 15 (set of units in Z15)) 4. Build composition table for a dihedral group D4 (Hint: You might need read additional materials to solve this.)
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